Home / 136,933.34-205,399.97-51,560.25

Finding the Fourth Proportional to 136,933.34, 205,399.97 and 51,560.25

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Solution

The fourth proportional to 136,933.34, 205,399.97 and 51,560.25 is: 77,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,933.34 : 205,399.97 = 51,560.25 : x
  2. Step 2: Convert to fraction form
    136,933.34/205,399.97 = 51,560.25/x
  3. Step 3: Cross multiply
    136,933.34x = 205,399.97 × 51,560.25
  4. Step 4: Simplify right side
    136,933.34x = 10,590,472,968.49
  5. Step 5: Solve for x
    x = 10,590,472,968.49/136,933.34
  6. Step 6: Final answer
    x = 77,340.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.